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B-5808 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B-5808: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 SEAT, special_features: FOR 1.000 IN. SWING CHECK VALVE IN, style_designator: THREADED FLANGED, seating_surface_shape: FLAT, end_item_identification: USED ON HARTZELL PROPELLER GOVERNOR PART OF CASA 212 AIRCRAFT.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-376-2708, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
B-5808
NSN: 4820-01-376-2708
NIINs: 013762708, 014678749
FSC: 4820 — Valves, Nonpowered
CAGE: 17062 — P J VALVES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 416 SEAT
special_featuresFOR 1.000 IN. SWING CHECK VALVE IN
style_designatorTHREADED FLANGED
seating_surface_shapeFLAT
end_item_identificationUSED ON HARTZELL PROPELLER GOVERNOR PART OF CASA 212 AIRCRAFT
NSN4820-01-376-2708
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-5808 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL: STEEL COMP 416 SEAT
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORTHREADED FLANGED
SPECIAL FEATURESFOR 1.000 IN. SWING CHECK VALVE IN
MATERIALSTEEL COMP 416 SEAT
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 2
D5805Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
D5805PC3,1INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-5808?
B-5808 is a SEAT,VALVE.
What parts can replace B-5808?
There are 2 known substitutes for B-5808: D5805, D5805PC3,1IN. Substitute compatibility should be verified for your specific system.
What is the NSN for B-5808?
B-5808 is cataloged in the U.S. Government catalog under NSN 4820-01-376-2708. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.